<template>
  <div>
    <button @click="isShow = !isShow">显示/隐藏</button>
    <transition-group name="hello" appear>
      <h1 v-show="isShow" key="1">Hello</h1>
      <h1 v-show="isShow" key="2">你好哇</h1>
    </transition-group>
  </div>
</template>

<script>
  export default {
    name: 'Test2',
    data(){
      return{
        isShow: true
      }
    }
  }
</script>

<style scoped>
  h1 {
    background-color: orange;
  }
  /*进入的起点、离开的终点*/
  .hello-enter, .hello-leave-to {
    transform: translateX(-100%);
  }
  /*进入的终点、离开的起点*/
  .hello-leave, .hello-enter-to {
    transform: translateX(0px);
  }
  .hello-enter-active, .hello-leave-active {
    transition: 0.5s linear;
  }

</style>